501445606635216 has 80 divisors (see below), whose sum is σ = 1439340768963520. Its totient is φ = 167147820501120.

The previous prime is 501445606635167. The next prime is 501445606635221. The reversal of 501445606635216 is 612536606544105.

501445606635216 is a `hidden beast` number, since 5 + 0 + 1 + 4 + 4 + 5 + 606 + 6 + 3 + 5 + 21 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103886691 + ... + 108606333.

It is an arithmetic number, because the mean of its divisors is an integer number (17991759612044).

Almost surely, 2^{501445606635216} is an apocalyptic number.

It is an amenable number.

501445606635216 is an abundant number, since it is smaller than the sum of its proper divisors (937895162328304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501445606635216 is a wasteful number, since it uses less digits than its factorization.

501445606635216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965601 (or 4965589 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 54.

The spelling of 501445606635216 in words is "five hundred one trillion, four hundred forty-five billion, six hundred six million, six hundred thirty-five thousand, two hundred sixteen".